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2931.52.00.00/n-Propylphosphonic Dichloride/Mexico

n-Propylphosphonic Dichloride from Mexico

n-Propylphosphonic dichloride is the straight-chain isomer of this dichloride, a colorless liquid reactive towards nucleophiles. Classified in HTS 2931.52.00.00 as it matches the legal definition of halogenated organo-phosphorus compounds in heading 2931. Used in flame retardant production and peptide synthesis.

Duty Rate — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Label shipments with GHS corrosive pictograms and 'RQ' if exceeding reportable quantities

• Obtain end-user statements for anti-proliferation compliance due to dual-use potential

• Test for stabilizer content to ensure Chapter 29 note (f) applicability

n-Propylphosphonic Dichloride from Mexico — Import Duty Rate | HTS 2931.52.00.00